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<title>SEC FORM 
            4</title>
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<body>SEC Form 4 
   <table width="100%" border="0" cellspacing="0" cellpadding="4">
<tr>
<td width="20%" colspan="2" valign="top" align="center" class="FormName">FORM 4</td>
<td rowspan="2" width="60%" valign="middle" align="center">
<span class="FormTitle">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</span><br><span class="MedSmallFormText">Washington, D.C. 20549</span><br><br><span class="FormTitle">STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP</span><br><br><span class="MedSmallFormText">Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934</span><br><span class="MedSmallFormText">or Section 30(h) of the Investment Company Act of 1940</span>
</td>
<td rowspan="2" width="20%" valign="top" align="center"><table width="100%" border="1" summary="OMB Approval Status Box">
<tr><td class="FormTextC">OMB APPROVAL</td></tr>
<tr><td><table width="100%" border="0" summary="OMB Interior Box">
<tr>
<td class="SmallFormText" colspan="3">OMB Number:</td>
<td class="SmallFormTextR">3235-0287</td>
</tr>
<tr><td class="SmallFormText" colspan="4">Estimated average burden</td></tr>
<tr>
<td class="SmallFormText" colspan="3">hours per response:</td>
<td class="SmallFormTextR">0.5</td>
</tr>
</table></td></tr>
</table></td>
</tr>
<tr valign="middle">
<td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td>
<td class="SmallFormText">Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 
         <i>See</i>

         Instruction 1(b).</td>
</tr>
<tr valign="middle">
<td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td>
<td class="SmallFormText">Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. </td>
</tr>
</table>
<table width="100%" border="1" cellspacing="0" cellpadding="4">
<tr>
<td rowspan="4" width="35%" valign="top">
<span class="MedSmallFormText">1. Name and Address of Reporting Person<sup>*</sup></span><table border="0" width="100%"><tr><td><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001821978">Keck Thomas</a></td></tr></table>
<hr width="98%">
<table border="0" width="100%"><tr>
<td width="33%" class="MedSmallFormText">(Last)</td>
<td width="33%" class="MedSmallFormText">(First)</td>
<td width="33%" class="MedSmallFormText">(Middle)</td>
</tr></table>
<table border="0" width="100%">
<tr><td><span class="FormData">C/O STEPSTONE GROUP INC.</span></td></tr>
<tr><td><span class="FormData">277 PARK AVENUE, 45TH FLOOR</span></td></tr>
</table>
<hr width="98%">
<span class="MedSmallFormText">(Street)</span><table border="0" width="100%"><tr>
<td width="33%"><span class="FormData">NEW YORK</span></td>
<td width="33%"><span class="FormData">NY</span></td>
<td width="33%"><span class="FormData">10172</span></td>
</tr></table>
<hr width="98%">
<table border="0" width="100%"><tr>
<td width="33%" class="MedSmallFormText">(City)</td>
<td width="33%" class="MedSmallFormText">(State)</td>
<td width="33%" class="MedSmallFormText">(Zip)</td>
</tr></table>
</td>
<td width="35%" valign="top">
<span class="MedSmallFormText">2. Issuer Name <b>and</b> Ticker or Trading Symbol
      </span><br><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001796022">StepStone Group Inc.</a>
     [ <span class="FormData">STEP</span> ]
   </td>
<td rowspan="2" valign="top">
<span class="MedSmallFormText">5. Relationship of Reporting Person(s) to Issuer
      </span><br><span class="MedSmallFormText">(Check all applicable)</span><table border="0" width="100%">
<tr>
<td width="15%" align="center"><span class="FormData">X</span></td>
<td width="35%" class="MedSmallFormText">Director</td>
<td width="15%" align="center"></td>
<td width="35%" class="MedSmallFormText">10% Owner</td>
</tr>
<tr>
<td align="center"></td>
<td class="MedSmallFormText">Officer (give title below)</td>
<td align="center"></td>
<td class="MedSmallFormText">Other (specify below)</td>
</tr>
<tr>
<td width="15%" align="center"></td>
<td width="35%" align="left" style="color: blue"></td>
<td width="15%" align="center"></td>
<td width="35%" align="left" style="color: blue"></td>
</tr>
</table>
</td>
</tr>
<tr><td valign="top">
<span class="MedSmallFormText">3. Date of Earliest Transaction
         (Month/Day/Year)</span><br><span class="FormData">09/30/2025</span>
</td></tr>
<tr>
<td valign="top">
<span class="MedSmallFormText">4. If Amendment, Date of Original Filed
         (Month/Day/Year)</span><br>
</td>
<td valign="top">
<span class="MedSmallFormText">6. Individual or Joint/Group Filing (Check Applicable Line)
      </span><table border="0" width="100%">
<tr>
<td width="15%" align="center"><span class="FormData">X</span></td>
<td width="85%" class="MedSmallFormText">Form filed by One Reporting Person</td>
</tr>
<tr>
<td width="15%" align="center"></td>
<td width="85%" class="MedSmallFormText">Form filed by More than One Reporting Person</td>
</tr>
</table>
</td>
</tr>
</table>
<table width="100%" border="1" cellspacing="0" cellpadding="4">
<thead>
<tr><th width="100%" valign="top" colspan="11" align="center" class="FormTextC"><b>Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned</b></th></tr>
<tr>
<th width="36%" valign="top" rowspan="2" align="left" class="MedSmallFormText">1. Title of Security (Instr. 
      3)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Transaction Date
      (Month/Day/Year)</th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2A. Deemed Execution Date, if any
      (Month/Day/Year)</th>
<th width="7%" valign="top" colspan="2" align="left" class="SmallFormText">3. Transaction Code (Instr. 
      8)
   </th>
<th width="19%" valign="top" colspan="3" align="left" class="SmallFormText">4. Securities Acquired (A) or Disposed Of (D) (Instr. 
      3, 4 and 5)
   </th>
<th width="11%" valign="top" rowspan="2" align="left" class="SmallFormText">5. 
      Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      3 and 4)
   </th>
<th width="9%" valign="top" rowspan="2" align="left" class="SmallFormText">6. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th>
<th width="8%" valign="top" rowspan="2" align="left" class="SmallFormText">7. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th>
</tr>
<tr>
<th width="4%" align="center" class="SmallFormText">Code</th>
<th width="3%" align="center" class="SmallFormText">V</th>
<th width="8%" align="center" class="SmallFormText">Amount</th>
<th width="5%" align="center" class="SmallFormText">(A) or (D)</th>
<th width="6%" align="center" class="SmallFormText">Price</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left"><span class="FormData">Class B Common Stock</span></td>
<td align="center"><span class="FormData">09/30/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">G</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center"></td>
<td align="center"><span class="FormData">30,623</span></td>
<td align="center">
<span class="FormData">D</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center">
<span class="FormText">$</span><span class="FormData">0</span>
</td>
<td align="center"><span class="FormData">2,520,501</span></td>
<td align="center"><span class="FormData">I</span></td>
<td align="left"><span class="FormData">By Trust</span></td>
</tr>
<tr>
<td align="left"><span class="FormData">Class B Common Stock</span></td>
<td align="center"><span class="FormData">09/30/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">G</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center"></td>
<td align="center"><span class="FormData">30,623</span></td>
<td align="center">
<span class="FormData">A</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center">
<span class="FormText">$</span><span class="FormData">0</span>
</td>
<td align="center"><span class="FormData">30,623</span></td>
<td align="center"><span class="FormData">I</span></td>
<td align="left"><span class="FormData">By Croft &amp; Company LLC</span></td>
</tr>
<tr>
<td align="left"><span class="FormData">Class A Common Stock</span></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"><span class="FormData">13,966</span></td>
<td align="center"><span class="FormData">D</span></td>
<td align="left"></td>
</tr>
<tr>
<td align="left"><span class="FormData">Class A Common Stock</span></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"><span class="FormData">100,750</span></td>
<td align="center"><span class="FormData">I</span></td>
<td align="left"><span class="FormData">By Trust</span></td>
</tr>
<tr>
<td align="left"><span class="FormData">Class B Common Stock</span></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"><span class="FormData">1,645,374</span></td>
<td align="center"><span class="FormData">I</span></td>
<td align="left"><span class="FormData">By Cresta Capital, LLC</span></td>
</tr>
</tbody>
</table>
<table width="100%" border="1" cellspacing="0" cellpadding="4">
<thead>
<tr><th width="100%" valign="top" colspan="16" align="center" class="FormTextC">
<b>Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned</b><br><b>(e.g., puts, calls, warrants, options, convertible securities)</b>
</th></tr>
<tr>
<th width="13%" valign="top" rowspan="2" align="left" class="SmallFormText">1. Title of Derivative Security (Instr. 
      3)
   </th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Conversion or Exercise Price of Derivative Security
   </th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3. Transaction Date
      (Month/Day/Year)</th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3A. Deemed Execution Date, if any
      (Month/Day/Year)</th>
<th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">4. Transaction Code (Instr. 
      8)
   </th>
<th width="10%" valign="top" colspan="2" align="left" class="SmallFormText">5. 
      Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 
      3, 4 and 5)
   </th>
<th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">6. Date Exercisable and Expiration Date 
      (Month/Day/Year)</th>
<th width="17%" valign="top" colspan="2" align="left" class="SmallFormText">7. Title and Amount of Securities Underlying Derivative Security (Instr. 
      3 and 4)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">8. Price of Derivative Security (Instr. 
      5)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">9. 
      Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      4)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">10. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th>
<th width="7%" valign="top" rowspan="2" align="left" class="SmallFormText">11. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th>
</tr>
<tr>
<th width="4%" valign="bottom" align="center" class="SmallFormText">Code</th>
<th width="4%" valign="bottom" align="center" class="SmallFormText">V</th>
<th width="5%" valign="bottom" align="center" class="SmallFormText">(A)</th>
<th width="5%" valign="bottom" align="center" class="SmallFormText">(D)</th>
<th width="5%" valign="bottom" align="center" class="SmallFormText">Date Exercisable</th>
<th width="4%" valign="bottom" align="center" class="SmallFormText">Expiration Date</th>
<th width="10%" valign="bottom" align="center" class="SmallFormText">Title</th>
<th width="7%" valign="bottom" align="center" class="SmallFormText">Amount or Number of Shares</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left"><span class="SmallFormData">Class B Units</span></td>
<td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td>
<td align="center"><span class="SmallFormData">09/30/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">G</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center"></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">30,623</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center"><span class="SmallFormData">Class A Common Stock</span></td>
<td align="center"><span class="FormData">30,623</span></td>
<td align="center"><span class="FootnoteData"><sup>(1)</sup></span></td>
<td align="center"><span class="SmallFormData">2,520,501</span></td>
<td align="center"><span class="SmallFormData">I</span></td>
<td align="left"><span class="SmallFormData">By Trust</span></td>
</tr>
<tr>
<td align="left"><span class="SmallFormData">Class B Units</span></td>
<td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td>
<td align="center"><span class="SmallFormData">09/30/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">G</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">30,623</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center"><span class="SmallFormData">Class A Common Stock</span></td>
<td align="center"><span class="FormData">30,623</span></td>
<td align="center"><span class="FootnoteData"><sup>(1)</sup></span></td>
<td align="center"><span class="SmallFormData">30,623</span></td>
<td align="center"><span class="SmallFormData">I</span></td>
<td align="left"><span class="SmallFormData">By Croft &amp; Company LLC</span></td>
</tr>
<tr>
<td align="left"><span class="SmallFormData">Class B Units</span></td>
<td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center"><span class="SmallFormData">Class A Common Stock</span></td>
<td align="center"><span class="FormData">1,645,374</span></td>
<td align="center"></td>
<td align="center"><span class="SmallFormData">1,645,374</span></td>
<td align="center"><span class="SmallFormData">I</span></td>
<td align="left"><span class="SmallFormData">By Cresta Capital, LLC</span></td>
</tr>
</tbody>
</table>
<table border="0" width="100%">
<tr><td class="MedSmallFormText"><b>Explanation of Responses:</b></td></tr>
<tr><td class="FootnoteData">1. On September 30, 2025, the Reporting Person transferred 30,623 Class B Units of Stepstone Group LP, together with an equal number of shares of Class B Common Stock (collectively, the "Transferred Interest") to an entity (the "Transferee Entity") owned entirely by a trust established for the benefit of Reporting Person's immediate family (such transaction, the "Transfer"). Pursuant to the terms of the Transfer, the Reporting Person is required to retain the exclusive right to exercise or direct the exercise of voting control in respect of the Transferred Interests. Notwithstanding the foregoing, the Reporting Person disclaims all beneficial ownership of the Transferred Interests.</td></tr>
<tr><td class="FootnoteData">2. Class B Units of StepStone Group LP are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.</td></tr>
<tr><td class="FormText"><b>Remarks:</b></td></tr>
<tr><td class="FootnoteData"></td></tr>
</table>
<table width="100%" border="0">
<tr>
<td width="60%"></td>
<td width="20%"><u><span class="FormData">/s/ Jennifer Ishiguro, Attorney-in-fact for Thomas Keck</span></u></td>
<td width="20%"><u><span class="FormData">10/01/2025</span></u></td>
</tr>
<tr>
<td></td>
<td class="MedSmallFormText">** Signature of Reporting Person</td>
<td class="MedSmallFormText">Date</td>
</tr>
<tr><td colspan="3" class="MedSmallFormText">Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.</td></tr>
<tr><td colspan="3" class="MedSmallFormText">* If the form is filed by more than one reporting person, 
                  <i>see</i>

                  Instruction 
                  4

                  (b)(v).</td></tr>
<tr><td colspan="3" class="MedSmallFormText">** Intentional misstatements or omissions of facts constitute Federal Criminal Violations 
                  <i>See</i>

                  18 U.S.C. 1001 and 15 U.S.C. 78ff(a).</td></tr>
<tr><td colspan="3" class="MedSmallFormText">Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, 
                  <i>see</i>

                  Instruction 6 for procedure.</td></tr>
<tr><td colspan="3" class="MedSmallFormText"><b>Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.</b></td></tr>
</table>
</body>
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